One Piano, Four Hands

I love this video!
Vintage, yes, but awesome nonetheless.
Harpo and Chico Marx play a duet, but not just any duet.
It's one piano, four hands.
I have two students right now that I'd like to work with on a piece of music
such as this, one piano / four hands.
One of them will be out for summer,
but when she returns in the fall
we will definitely work on this project!
It's loads of fun!
 Enjoy!